关于“把”字句习得顺序的研究成果，目前数量很有限。

关于“把”字句习得顺序的研究成果，目前数量很有限。

ผลลัพธ์ (อังกฤษ) 1:

On "BA" acquisition order research results currently very limited number.

ผลลัพธ์ (อังกฤษ) 2:

About "Ba" sequential acquisition research, currently a very limited number.

ผลลัพธ์ (อังกฤษ) 3:

On the "Ba" sentence research results acquisition order, the quantity is limited.